code: def mpi_predicate(predicate):
      from mpi4py import MPI
  
      def key(s):
          s = s.replace(" ", "")
          s = s.replace("/", "")
          s = s.replace("-", "")
          s = s.replace("Microsoft", "MS")
          return s.lower()
  
      vp = _VersionPredicate(key(predicate))
      if vp.name == "mpi":
          name, version = "mpi", MPI.Get_version()
          version = version + (0,)
      else:
          name, version = MPI.get_vendor()
      if vp.name == key(name):
          x, y, z = version
          if vp.satisfied_by(f"{x}.{y}.{z}"):
              return vp
      return None
  
file_path: mpi4py/test/mpiunittest.py
imports: from collections import namedtuple
  import contextlib
  import unittest
label_desc: Use image node_id 2 for calling a global function with example usage: mpi_predicate(predicate) and returns: None, s, vp